content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.*;
  import hu.akarnokd.reactive4javaflow.fused.FusedSubscription;
  import hu.akarnokd.reactive4javaflow.processors.SolocastProcessor;
  import org.junit.Test;
  
  import java.io.IOException;
  
  public class FolyamDistinctTest {
  
      @Test
      public void standard() {
          TestHelper.assertResult(
                  Folyam.range(1, 5).distinct()
                  , 1, 2, 3, 4, 5
          );
      }
  
  
      @Test
      public void standardHidden() {
          TestHelper.assertResult(
                  Folyam.range(1, 5).hide().distinct()
                  , 1, 2, 3, 4, 5
          );
      }
  
      @Test
      public void error() {
          Folyam.error(new IOException())
                  .distinct()
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void errorConditional() {
          Folyam.error(new IOException())
                  .distinct()
                  .filter(v -> true)
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void keySelectorCrash() {
          Folyam.just(1)
                  .distinct(v -> { throw new IOException(); })
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void collectionProviderCrash() {
          Folyam.just(1)
                  .distinct(v -> 1, () -> { throw new IOException(); })
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void normalBackpressured() {
          Folyam.range(1, 5).distinct(v -> 1)
                  .test(0)
                  .assertEmpty()
                  .requestMore(2)
                  .assertResult(1);
      }
  
      @Test
      public void normalConditionalBackpressured() {
          Folyam.range(1, 5).distinct(v -> 1)
                  .filter(v -> true)
                  .test(0)
                  .assertEmpty()
                  .requestMore(2)
                  .assertResult(1);
      }
  
      @Test
      public void fusedSync() {
          Folyam.range(1, 10).distinct(v -> v % 3)
                  .test(Long.MAX_VALUE, false, FusedSubscription.ANY)
                  .assertResult(1, 2, 3);
      }
  
  
      @Test
      public void fusedSyncBoundary() {
          Folyam.range(1, 10).distinct(v -> v % 3)
                  .test(Long.MAX_VALUE, false, FusedSubscription.ANY | FusedSubscription.BOUNDARY)
                  .assertFusionMode(FusedSubscription.NONE)
                  .assertResult(1, 2, 3);
      }
  
  
      @Test
      public void fusedSyncConditional() {
          Folyam.range(1, 10).distinct(v -> v % 3)
                  .filter(v -> true)
                  .test(Long.MAX_VALUE, false, FusedSubscription.ANY)
                  .assertResult(1, 2, 3);
      }
  
      @Test
      public void fusedAsync() {
          SolocastProcessor<Integer> sp = new SolocastProcessor<>();
          Folyam.range(1, 10).subscribe(sp);
  
          sp.distinct(v -> v % 3)
                  .test(Long.MAX_VALUE, false, FusedSubscription.ANY)
                  .assertResult(1, 2, 3);
      }
  
  
      @Test
      public void fusedAsyncConditional() {
          SolocastProcessor<Integer> sp = new SolocastProcessor<>();
          Folyam.range(1, 10).subscribe(sp);
  
          sp.distinct(v -> v % 3)
                  .filter(v -> true)
                  .test(Long.MAX_VALUE, false, FusedSubscription.ANY)
                  .assertResult(1, 2, 3);
      }
  }
  